What is (4+8)\div 12+2 3/4 ?

The solution to (4+8)\div 12+2 3/4 is 3 3/4

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(4+8)\div 12+2 3/4

(4 + 8) \div 12 + 2 \frac{3}{4}

3 \frac{3}{4}

Solution steps

(4 + 8) \div 12 + 2 \frac{3}{4}

Convert mixed numbers to improper fractions:

2 \frac{3}{4} = \frac{11}{4}

= (4 + 8) \div 12 + \frac{11}{4}

Follow the PEMDAS order of operations

Calculate within parentheses

(4 + 8) : 12

= 12 \div 12 + \frac{11}{4}

Multiply and divide (left to right)

12 \div 12 : 1

= 1 + \frac{11}{4}

Add and subtract (left to right)

1 + \frac{11}{4} : \frac{15}{4}

= \frac{15}{4}

Convert improper fractions to mixed numbers:

\frac{15}{4} = 3 \frac{3}{4}

= 3 \frac{3}{4}

2 (4)^{2} - 4 (4) + 2

10 + \frac{1}{2} (4)

- 3 \times (- 2) - 15

4 (- 3)^{2} - 3

9 \times [5 - (9 \div 3)]